#!/bin/sh
set -x

CWD=$(pwd)

PRGNAM=$(basename $CWD)
VERSION=$(date +%Y.%m.%d_%H.%M)

BUILD=1

ARCH=$(uname -m)
LIBSUFFIX=$(echo $ARCH | grep -o "\(64\)")

TAG=cyco
TMP=/tmp/$TAG
PKG=$TMP/pkg-$PRGNAM
OUTPUT=/tmp

REPOSITORY=/home/installs/SlackBuilds/repositories/$PRGNAM

PREFIX=/usr

# Cleaning
rm -fr $TMP/$PRGNAM-$VERSION
rm -fr $PKG
mkdir -p $TMP

if [ ! -e $REPOSITORY ] ; then
    mkdir -p $(dirname $REPOSITORY)
    hg clone "https://bitbucket.org/rsc/plan9port" $REPOSITORY
else
    ( cd $REPOSITORY
        hg pull -u
    )
fi

# Preparation
mkdir -p $PKG/opt
cp -R $REPOSITORY $PKG/opt/$PRGNAM
cd $PKG/opt/$PRGNAM

rm -fr .hg*

chown -R root:root .
find . \
    \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
    -exec chmod 755 {} \; -o \
    \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
    -exec chmod 644 {} \;

# Building
./INSTALL -b

# Installation
cd dist
../bin/mk man
cd ..
cp lib/moveplan9.sh lib/moveplan9.sh.slackinstall_$VERSION
sed -i 's|new=`cleanname $PLAN9`|new=/opt/plan9port|g' lib/moveplan9.sh.slackinstall_$VERSION
sh ./lib/moveplan9.sh.slackinstall_$VERSION
rm lib/moveplan9.sh.slackinstall_$VERSION

mkdir -p $PKG/etc/profile.d
cat <<EOF > $PKG/etc/profile.d/$PRGNAM.sh
#!/bin/sh
PLAN9=/opt/plan9port
PATH=$PATH:${PLAN9}
MANPATH=$MANPATH:${PLAN9}/man
export PLAN9 PATH MANPATH
EOF
chmod +x $PKG/etc/profile.d/$PRGNAM.sh
cat <<EOF > $PKG/etc/profile.d/$PRGNAM.csh
#!/bin/csh
setenv PLAN9 /opt/plan9port
setenv PATH ${PATH}:${PLAN9}/bin
setenv MANPATH ${MANPATH}:${PLAN9}/man
EOF
chmod +x $PKG/etc/profile.d/$PRGNAM.csh

# Cleaning
find $PKG | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
find $PKG | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

find $PKG$PREFIX/man/man? -type f -name "*.?" -exec gzip -9 {} \;

chown -R root:root $PKG

# Packaging
cd $PKG
mkdir install
cat <<EOF > install/slack-desc
$PRGNAM: $PRGNAM (Plan 9 from User Space)
$PRGNAM:
$PRGNAM: Plan 9 from User Space (aka plan9port) is a port of many Plan 9 programs
$PRGNAM: from their native Plan 9 environment to Unix-like operating systems.
$PRGNAM: 
$PRGNAM: 
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM: http://swtch.com/plan9port/
$PRGNAM:
EOF

makepkg -l y -c n $OUTPUT/$PRGNAM-$(echo $VERSION | tr -d '-')-$ARCH-$BUILD$TAG.txz